Overview
Rochester WWTF serves approximately 23,000 residents in Rochester, New Hampshire. The facility operates under the U.S. Clean Water Act, discharging treated wastewater into the local watershed.
Rochester WWTF is a municipal wastewater treatment facility located on Pickering Road in Gonic, Rochester, New Hampshire. Serving an estimated population of 23,096, the plant is part of the city's infrastructure managed under state and federal regulations. The facility's designed capacity is 1.00 million gallons per day, reflecting its role in treating domestic wastewater from the community. As a U.S. wastewater treatment plant, Rochester WWTF operates under the Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges. Plants of this scale typically employ secondary treatment to meet effluent standards. The New Hampshire Department of Environmental Services oversees permitting and compliance for facilities in the state. The plant's treated effluent is discharged into the Cocheco River, which flows into the Piscataqua River and ultimately the Gulf of Maine. This watershed supports diverse aquatic life and is an important estuarine ecosystem. The plant's operations help protect water quality in the river and downstream coastal environments.
Environmental context
Rochester WWTF discharges into the Cocheco River, a tributary of the Piscataqua River that drains into the Gulf of Maine. The watershed supports a mix of freshwater and estuarine habitats, including migratory fish species such as river herring and American eel. Protecting water quality in this system is critical for maintaining the ecological health of the Great Bay estuary and the broader Gulf of Maine ecosystem.
Frequently asked questions
Rochester WWTF is located on Pickering Road in Gonic, Rochester, New Hampshire, United States.
The plant serves approximately 23,096 residents in the Rochester area.
The plant discharges treated effluent into the Cocheco River, which flows into the Piscataqua River and eventually the Gulf of Maine.
As a U.S. facility, Rochester WWTF operates under the Clean Water Act and must comply with an NPDES permit issued by the New Hampshire Department of Environmental Services.
Plants of this scale typically employ secondary treatment, which includes biological processes to remove organic matter and suspended solids, meeting EPA effluent guidelines.
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